Welcome to our store! Features: 1. High quality, compatible with OEM, 100% brand new. 2. With charging, overcurrent, overvoltage, short circuit, and overheating protection. 3. Safe and durable, high output voltage, small ripple, and low interference. 4. Made of high-quality parts and circuit boards. 5. Compatible with laptops such as for Lenovo Ideapad 100-15IBY 80MJ N2940. Specifications: - Input voltage: 100-240V ~ 1.5A, 50-60Hz. - Output voltage: 20V ~ 3.25A 65W. - Interface: Approx. 4*1.7MM/0.16*0.07in - Operating temperature: 0 - 40℃ - Storage temperature: -20 - 60℃ - All projects are CE/ROSH/FCC certified. - Compatible with part numbers: 80 MHz - for Lenovo Flex 4-1435/Flex 4-1470/Flex 4-1480/Flex 4-1570/Flex 4-1580 - for Lenovo IdeaPad 100-15IBY N3540/Ideapad 100-14IBY N2840 - for Lenovo IdeaPad 100-15IBY N3540/Ideapad 100-14IBY N2840 - for Lenovo Idea N2840 - for Lenovo IdeaPad 80MJ Series/IdeaPad 80MH Series - for Lenovo IdeaPad 100-15IBY N2840/Ideapad 100-14IBY N3540/IdeaPad 100 80MH N2940 - for Lenovo IdeaPad 801MH001MH0YN Series/IdeaPad 100S-14IB/B50-10 - for Lenovo YOGA 510-14/YOGA 310-14/YOGA 710-13 Package list: 1 * Power adapter Note: How to buy the correct power supply: 1. Check if the voltage and current of your original power adapter are the same as in the picture. 2. Check if the interface of your original power adapter is the same as in the picture. 3. As long as the voltage, current, and interface size are the same, the tag may be different, but it does not affect. Tips: If the original power adapter is missing, you can look for the parameters at the bottom of your monitor or in the user manual. 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We will do our best to provide you with satisfactory customer service.